package Day_05;
import java.util.Scanner;
public class ExtendTwoDemo {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        /*System.out.println("Please Enter a Nubmer:");
        int num = scan.nextInt();
        while(num<1){
            System.out.println("Your Number is too Small,Please enter another one:");
            num = scan.nextInt();
        }*/
        double Factorial = 1;
        for(int i=2;i<=170;i++){
            Factorial*=i;
        }
        System.out.println("Factorial:"+Factorial*24);
    }
}
